CN101677255B - Power control parameter transfer method, device and terminal - Google Patents
Power control parameter transfer method, device and terminal Download PDFInfo
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Abstract
The invention provides a power control parameter transfer method, a device and a terminal, the method comprises the following steps: a base station configures parameters for the terminal through a signal of a radio resource control layer, wherein, the parameters at least comprise: a temporary identifier of a power control wireless network, a downlink control information format and a power control index; and a terminal obtains a corresponding power control command on a downlink physical control signal channel according to the configured parameters. The method is characterized in that the base station configures the corresponding downlink control information format for the terminal which configures the same temporary identifier of the power control wireless network. The technical scheme can avoid the problem that the terminal erroneously interprets the content of power control sent by the base station due to the configuration errors of the base station, thereby causing the failure of power control.
Description
Technical field
The present invention relates to the communications field, and especially, relate to a kind of power control parameter transfer method, device and terminal.
Background technology
At present, Long Term Evolution (Long Term Evolution, referred to as LTE) frame structure of system is divided into Type1 and two types of Type2, wherein, the Type1 frame structure is applied to mode of frequency division duplexing (Frequency division duplex is referred to as FDD), and the Type2 frame structure is applied to TDD mode (Time division duplex, referred to as TDD), respectively as depicted in figs. 1 and 2.
Particularly, as shown in Figure 1, in the LTE frame structure, the radio frames of a 10ms is divided into the field of two 5ms, and each field is comprised of the subframe of 5 1ms.Except the special subframe of Type2 frame structure, other subframe all is comprised of the time slot of two 0.5ms.For example, subframe #0 comprises time slot #0 and time slot #1, and subframe #1 comprises time slot # 2 and time slot # 3 .... subframe #9 comprises time slot #18 and time slot #19.As shown in Figure 2; special subframe among the Type2 (for example; subframe #1) by descending pilot frequency time slot (Downlink Pilot Time Slot; referred to as DwPTS), the protection interval (Guard Period; referred to as GP) and these 3 special time slots compositions of uplink pilot time slot (Uplink Pilot Time Slot is referred to as UpPTS).
In the LTE frame structure, the duration of a up/down row symbol is 66.7us, can attach a Cyclic Prefix (Cyclic Prefix is referred to as CP) before each up/down row symbol.Particularly, two kinds of Cyclic Prefix have been defined among the LTE, namely, regular circulation prefix (NormalCP) and extended cyclic prefix (Extended CP), be the regular circulation prefix of 5.21us and 4.69us for length, a time slot comprises 7 up/down row symbols, wherein, the circulating prefix-length of the 1st symbol is 5.21us, and the circulating prefix-length of all the other 6 symbols is 4.69us; Be the extended cyclic prefix of 16.67us for length, a time slot comprises 6 up/down row symbols.
Physical Downlink Control Channel (Physical downlink control channel, referred to as PDCCH) the descending symbolic number that comprises is by Physical Control Format Indicator Channel (Physicalcontrol format indication channel, referred to as PCFICH) indication, can be 1,2 or 3 descending symbols.PDCCH is used for transmission Downlink Control Information (DownlinkControl Information, referred to as DCI), the form of Downlink Control Information (DCIformat) comprises format0, format1, format1A, format1B, format1C, format2, format3, format3A, is used for transmitting different classes of Downlink Control Information.Every kind of DCI signaling format all can be accompanied with cyclic redundancy check (the CyclicRedundancy Check of 16 bits, referred to as CRC), each CRC can be by corresponding Radio Network Temporary Identifier (the Radio Network Temporary Identity of implicit coded system, referred to as RNTI), then terminal is carried out blind Detecting according to RNTI to CRC, obtains Downlink Control Information.
Wherein, the Downlink Control Information of DCI Format3 and 3A is used for the base station and issues group's signaling for uplink power control.Particularly, DCI format3 is used for Physical Uplink Control Channel (the Physical Uplink Control channel of a group of transmission, referred to as PUCCH) or Physical Uplink Shared Channel (Physical Uplink Shared channel, referred to as PUSCH) power control (Transmit Power Control, referred to as TPC) order, this group's maximum can comprise M terminal (User Equipment, referred to as UE) TPC order, the TPC order size of each terminal is 2 bits, terminal number M depends on the pay(useful) load size (Payload size) of DCI format3, this pay(useful) load is the bit number that total bit number that DCI format3 comprises deducts CRC, the command format of DCI format3 is equivalent to { TPC_UE1, TPC UE2, ... TPC_UEM, CRC}, M equal the pay(useful) load size and remove in the integer part of 2 values.DCI Format3A also is used for the TPC order of PUCCH or the PUSCH of a group of transmission, this group's maximum can comprise the TPC order of N UE, the TPC order size of each terminal is 1 bit, terminal number N then depends on the pay(useful) load size of DCI format3A, and this pay(useful) load is the bit number that total bit number that DCI format3A comprises deducts CRC, and the command format of DCIformat3A is equivalent to { TPC_UE1, TPC UE2, ... TPC_UEN, CRC}, N equal the bit number of pay(useful) load.In the present LTE system, the pay(useful) load equal and opposite in direction of DCI format3 and format3A.
At present, the consensus standard of LTE has been stipulated to be used to refer to the power control Radio Network Temporary Identifier (tpc-RNTI) of power control group, the content that the power of terminal in this group is controlled index and descending control information format by the physical channel specific configuration information unit in the dedicated signaling of Radio Resource control (RadioResource Control is referred to as RRC) layer to terminal configuration.Wherein, stipulated two kinds of power control index in the standard, be respectively: descending control information format 3 index, descending control information format 3A index, and above-mentioned descending control information format is to attract expression by configuring dissimilar power control cord.In addition, above-mentioned physical channel specific configuration information unit can be included in the Radio Resource control connection and sets up in the message such as message, wireless resource control connection reconfiguration message, radio resource control connection reestablishment message.
At present, to adopt the rrc layer dedicated signaling that this message is only sent to separately 1 terminal, rather than one group of terminal, if therefore configuration error has occured in the base station, this mistake will be beyond recognition from the angle of terminal, and can explain mistakenly the content of the power control that the base station sends, thereby cause power to be controlled unsuccessfully.
Up to now, for because the base station configuration error causes single receiving terminal can't correctly explain the problem of power Control the content, effective solution is proposed not yet.
Summary of the invention
Consider when in the base station configuration error having occured, terminal is beyond recognition this mistake and is explained mistakenly the content of the power control that the base station sends, thereby cause the power failed problem of control and make the present invention, for this reason, main purpose of the present invention is to provide a kind of power control parameter transfer method, device and terminal, to solve the problems referred to above that exist in the correlation technique.
According to an aspect of the present invention, provide a kind of power control parameter transfer method.The base station is the terminal configuration parameter by the radio resource control layer signaling, wherein, parameter comprises at least: power control Radio Network Temporary Identifier, descending control information format and power control index, terminal is obtained corresponding power control command according to the parameter of configuration at downlink physical control channel.
Power control parameter transfer method according to the present invention comprises: the base station is the identical descending control information format of terminal configuration that has configured identical power control Radio Network Temporary Identifier.
Wherein, above-mentioned power control Radio Network Temporary Identifier is used for the power control of Physical Uplink Control Channel or Physical Uplink Shared Channel.
Wherein, the above-mentioned terminal that has configured identical power control Radio Network Temporary Identifier belongs to the power control group of identical Physical Uplink Control Channel or Physical Uplink Shared Channel.
Wherein, above-mentioned base station is specifically being treated to of terminal configuration parameter by the radio resource control layer signaling: the base station is respectively allocating power control Radio Network Temporary Identifier of terminal in the physical channel specific configuration information unit of radio resource control layer signaling, and in identical specific configuration information unit configurating downlink control information form and power control index.
In addition, after above-mentioned base station was the terminal configuration parameter by the radio resource control layer signaling, said method further comprised: terminal is obtained power control Radio Network Temporary Identifier, descending control information format and the power control index in the physical channel specific configuration information unit; Terminal is carried out blind check according to the power control Radio Network Temporary Identifier that obtains to Physical Downlink Control Channel, and obtains the corresponding Physical Downlink Control Channel signaling that is used for power control; Terminal is obtained power control command corresponding to terminal in the Physical Downlink Control Channel signaling according to the descending control information format that obtains and power control index corresponding to terminal.
Wherein, comprise for the radio resource control information that carries above-mentioned physical channel specific configuration information unit: the Radio Resource control connection is set up message, wireless resource control connection reconfiguration message, radio resource control connection reestablishment message.
Wherein, above-mentioned descending control information format comprise following one of at least: descending control information format 3, descending control information format 3A.
Wherein, Physical Uplink Control Channel power control group and the Physical Uplink Shared Channel power control group under the above-mentioned terminal is mutually independent.
According to a further aspect in the invention, provide a kind of power contorl parameters transfer device.
Power contorl parameters transfer device according to the present invention comprises: configuration module, being used for by the radio resource control layer signaling is the terminal configuration parameter, wherein, parameter comprises at least: power control Radio Network Temporary Identifier, descending control information format and power control index; Sending module is used for sending the radio resource control layer signaling to terminal, and carries power control Radio Network Temporary Identifier, descending control information format and power control index in the radio resource control layer signaling.
Wherein, above-mentioned descending control information format comprise following one of at least: descending control information format 3, descending control information format 3A.
Wherein, above-mentioned Physical Uplink Control Channel power control group and Physical Uplink Shared Channel power control group are mutually independent.
Wherein, comprise for the radio resource control information that carries physical channel specific configuration information unit: the Radio Resource control connection is set up message, wireless resource control connection reconfiguration message, radio resource control connection reestablishment message.
In accordance with a further aspect of the present invention, provide a kind of terminal, be used for obtaining power contorl parameters according to above-mentioned power control parameter transfer method.
Terminal according to the present invention comprises: the first acquisition module, for the power control Radio Network Temporary Identifier that obtains physical channel specific configuration information unit, descending control information format and power control index; The blind check module, the power control Radio Network Temporary Identifier that is used for obtaining according to the first acquisition module carries out blind check to Physical Downlink Control Channel, and obtains the corresponding Physical Downlink Control Channel signaling that is used for power control; The second acquisition module, the descending control information format and power corresponding to terminal that are used for obtaining according to the first acquisition module are controlled index, obtain power control command corresponding to terminal in the Physical Downlink Control Channel signaling.
By means of technical scheme of the present invention, by control the identical descending control information format of terminal configuration of Radio Network Temporary Identifier for having configured identical power, and power control information sent on the terminal with unified group sign, avoided having improved the success rate of power control owing to the configuration error of base station is controlled failed problem so that terminal is explained the power that the content of the power control that the base station sends causes mistakenly.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of writing, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide a further understanding of the present invention, and consists of the part of specification, is used for together with embodiments of the present invention explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the frame structure schematic diagram of LTE Type1 in the correlation technique;
Fig. 2 is the frame structure schematic diagram of LTE Type2 in the correlation technique;
Fig. 3 is the flow chart according to the power control parameter transfer method of the embodiment of the invention;
Fig. 4 is the block diagram according to the power contorl parameters transfer device of the embodiment of the invention;
Fig. 5 is the block diagram according to the terminal of the embodiment of the invention;
Fig. 6 is the signaling process figure that controls the detailed processing of parametric technique according to the base station of the embodiment of the invention to the terminal transmitted power.
Embodiment
Functional overview
At present, because the power control information that the base station sends is to send to a terminal, rather than one group of terminal, if configuration error has occured in the base station, from the angle of terminal, be beyond recognition this mistake, and can explain mistakenly the content of the power control that the base station sends, thereby cause power to be controlled unsuccessfully, therefore, the invention provides a kind of technical scheme that addresses the above problem, comprise: the identical group identification group-RNTI of terminal configuration is given in the base station in the physical layer specific configuration information unit of rrc layer, and configuration belongs to the index of the DCI format of each terminal in identical information unit, and, the base station is the identical descending control information format of terminal configuration that has configured identical power control Radio Network Temporary Identifier, and after configuration was finished, terminal received the identical PDCCH signaling that is used for power control according to group-RNTI, and according to the DCI format and the index value that configure, correctly obtain and power control command that this terminal is corresponding.
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, is not intended to limit the present invention.
Embodiment of the method
According to embodiments of the invention, a kind of power control parameter transfer method is provided, Fig. 3 is the flow chart according to the power control parameter transfer method of the embodiment of the invention, as shown in Figure 3, comprises following processing:
Step S302, the base station is that terminal configures respectively group identification, descending control information format and power control index, and the base station is the identical descending control information format of terminal configuration that has configured identical power control Radio Network Temporary Identifier.
Wherein, descending control information format comprise following one of at least: descending control information format 3, descending control information format 3A.
In addition, power control Radio Network Temporary Identifier can be used for the power control of Physical Uplink Control Channel or Physical Uplink Shared Channel.And the terminal that has configured identical power control Radio Network Temporary Identifier belongs to the power control group of identical Physical Uplink Control Channel or Physical Uplink Shared Channel.
Particularly, in step S302, the base station is respectively allocating power control Radio Network Temporary Identifier of terminal in the physical channel specific configuration information unit of radio resource control layer signaling, and in identical specific configuration information unit configurating downlink control information form and power control index.Wherein, comprise at least for the radio resource control information that carries physical channel specific configuration information unit: the Radio Resource control connection is set up message, wireless resource control connection reconfiguration message, radio resource control connection reestablishment message.
In addition, need to prove, Physical Uplink Control Channel power control group and Physical Uplink Shared Channel power control group under the above-mentioned terminal are mutually independent.That is to say, two terminals that belong to identical PUCCH power control group, they are identical about the group identification of PUCCH power control group, PUSCH power control group then can be different, on the contrary, two terminals that belong to identical PUSCH power control group, they are identical about the group identification of PUSCH power control group, and PUCCH power control group can be different.
Step S304, terminal is obtained corresponding power control command according to the parameter of configuration at downlink physical control channel.
Particularly, step S304 comprises following processing: 1, terminal is obtained group identification in the physical channel specific configuration information unit, descending control information format with terminal and corresponding index; 2, terminal is carried out blind check according to the group identification that obtains to Physical Downlink Control Channel and is obtained the corresponding Physical Downlink Control Channel signaling that is used for power control; 3, terminal is obtained the power control command of the terminal of the Physical Downlink Control Channel signaling of controlling for power according to the descending control information format and index corresponding to terminal that obtain.
Below, in conjunction with example above-mentioned technical scheme is described in detail.
Example 1
In this example, the individual terminal of N (1＜=N＜=15) belongs to identical PUCCH power control group, the group of this PUCCH power control group is designated group-RNTI=TPC-PUCCH-RNTI-1, and adopt DCI format3, wherein, the index of terminal A is 3, and the index of terminal B is 7, comprises following processing:
Terminal A and terminal B receive CRC by the PDCCH signaling of TPC-PUCCH-RNTI-1 mask, have wherein comprised following content (binary system) in this PDCCH signaling:
010010101001110001010111100101
Index at terminal A is 3, and the index of terminal B is that the power control command bit of terminal A on PUCCH is: 10 in 7 the situation; The power control command bit of terminal B on PUCCH is: 11.
Example 2
In this example, the individual terminal of N (1＜=N＜=15) belongs to identical PUSCH power control group, the group of this PUSCH power control group is designated group-RNTI=TPC-PUSCH-RNTI-1, and adopt DCIformat3, wherein, the index of terminal A is 3, and the index of terminal B is 7, comprises following processing:
Terminal A and terminal B receive CRC by the PDCCH signaling of TPC-PUSCH-RNTI-1 mask, have wherein comprised following content (binary system) in the PDCCH signaling:
010010101001110001010111100101
Index at terminal A is 3, and the index of terminal B is that the power control command bit of terminal A on PUCCH is: 10 in 7 the situation; The power control command bit of terminal B on PUCCH is: 11.
Example 3
In this example, the individual terminal of M (1＜=M＜=31) belongs to identical PUCCH power control group, the group of this PUCCH power control group is designated group-RNTI=TPC-PUCCH-RNTI-2, and adopt DCIformat3A, wherein, the index of terminal A is 3, and the index of terminal B is 7, comprises following processing:
Terminal A and terminal B receive CRC by the PDCCH signaling of TPC-PUCCH-RNTI-2 mask, have wherein comprised following content (binary system) in the PDCCH signaling:
010010101001110001010111100101
Index at terminal A is 3, and the index of terminal B is that the power control command bit of terminal A on PUCCH is: 0 in 7 the situation; The power control command bit of terminal B on PUCCH is: 1.
Example 4
In this example, the individual terminal of M (1＜=M＜=31) belongs to identical PUSCH power control group, the group of this PUSCH power control group is designated group-RNTI=TPC-PUSCH-RNTI-2, and adopt DCI format3A, wherein the index of terminal A is 3, the index of terminal B is 7, comprises following processing:
Terminal A and terminal B receive CRC by the PDCCH signaling of TPC-PUSCH-RNTI-2 mask, have wherein comprised following content (binary system) in the PDCCH signaling:
010010101001110001010111100101
Index at terminal A is 3, and the index of terminal B is that the power control command bit of terminal A on PUCCH is: 0 in 7 the situation; The power control command bit of terminal B on PUCCH is: 1.
Device embodiment one
In the present embodiment, provide a kind of power contorl parameters transfer device, be positioned at the base station, Fig. 4 is the block diagram according to the power contorl parameters transfer device of the present embodiment, as shown in Figure 4, comprises configuration module 40, sending module 42.The below describes above-mentioned module.
It is the terminal configuration parameter that configuration module 40 is used for by the radio resource control layer signaling, and wherein, above-mentioned parameter comprises at least: power control Radio Network Temporary Identifier, descending control information format and power control index; Wherein, above-mentioned descending control information format comprise following one of at least: descending control information format 3, descending control information format 3A.
Particularly, configuration module 40 is to configure respectively group identification for terminal in physical channel specific configuration information unit, and configurating downlink control information form and power control index in identical specific configuration information unit, wherein, power control Radio Network Temporary Identifier is used for the power control of Physical Uplink Control Channel or Physical Uplink Shared Channel, and the terminal that has configured identical power control Radio Network Temporary Identifier belongs to the power control group of identical Physical Uplink Control Channel or Physical Uplink Shared Channel.
In addition, need to prove, Physical Uplink Control Channel power control group and the Physical Uplink Shared Channel power control group of configuration module 40 configurations are mutually independent.
Sending module 42 is connected to configuration module 40, is used for sending the radio resource control layer signaling to terminal, and carries power control Radio Network Temporary Identifier, descending control information format and power control index in the radio resource control layer signaling.Wherein, comprise at least for the radio resource control information that carries physical channel specific configuration information unit: the Radio Resource control connection is set up message, wireless resource control connection reconfiguration message, radio resource control connection reestablishment message.
Device embodiment two
In the present embodiment, provide a kind of terminal, be used for using above-mentioned power control parameter transfer method to obtain power contorl parameters.Fig. 5 is the block diagram according to the terminal of the present embodiment, as shown in Figure 5, comprises the first acquisition module 50, blind check module 52, the second acquisition module 54.Below, above-mentioned module is described.
The first acquisition module 50 is for the power control Radio Network Temporary Identifier that obtains physical channel specific configuration information unit, descending control information format and power control index.
Blind check module 52 is connected to the first acquisition module 50, for the power control Radio Network Temporary Identifier that obtains 50 according to the first acquisition module Physical Downlink Control Channel is carried out blind check, and obtains the corresponding Physical Downlink Control Channel signaling that is used for power control.
The second acquisition module 54, be connected to blind check module 52 and the first acquisition module 50, the descending control information format and power corresponding to terminal that are used for obtaining according to the first acquisition module 50 are controlled index, obtain power control command corresponding to terminal in the Physical Downlink Control Channel signaling.
Because operating among the device embodiment one of base station side has been described in detail, and do not repeat them here.
Below, by reference to the accompanying drawings, process to power contorl parameters transmission in the system that forms according to the power contorl parameters transfer device of device embodiment one with according to the terminal of device embodiment two is described in detail, Fig. 6 is the signaling process figure that controls the detailed processing of parametric technique according to the base station of the embodiment of the invention to the terminal transmitted power, as shown in Figure 6, comprise following processing:
Step S602, the base station sends the RRC signaling message to terminal, wherein, carries group identification, descending control information format and power control index in the physical layer specific configuration information unit of rrc layer signaling message;
Step S604, terminal is obtained the group identification of corresponding TPC-PUCCH-RNTI or TPC-PUSCH-RNTI;
Step S606, terminal is obtained power control format, and this power control format is DCIformat3 or DCI format3A;
Step S608, terminal is obtained power control index TPC-index;
Step S610, terminal is according to the group identification blind check PDCCH of TPC-PUCCH-RNTI or TPC-PUSCH-RNTI, and obtains corresponding PDCCH signaling;
Step S612, terminal is determined corresponding power control information bit according to power control format DCI format3 or DCIformat3A and TPC-index.
In sum, by means of technical scheme of the present invention, by control the identical descending control information format of terminal configuration of Radio Network Temporary Identifier for having configured identical power, and power control information sent on the terminal with unified group sign, avoided having improved the success rate of power control owing to the configuration error of base station is controlled failed problem so that terminal is explained the power that the content of the power control that the base station sends causes mistakenly.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. power control parameter transfer method, the base station is the terminal configuration parameter by the radio resource control layer signaling, wherein, described parameter comprises at least: power control Radio Network Temporary Identifier, descending control information format and power control index, described terminal is according to the described parameter of configuration, obtain corresponding power control command at downlink physical control channel, it is characterized in that, described method further comprises:
The base station is the identical descending control information format of terminal configuration that has configured identical power control Radio Network Temporary Identifier.
2. method according to claim 1 is characterized in that, described power control Radio Network Temporary Identifier is used for the power control of Physical Uplink Control Channel or Physical Uplink Shared Channel.
3. method according to claim 1 is characterized in that, the described terminal that has configured identical power control Radio Network Temporary Identifier belongs to the power control group of identical Physical Uplink Control Channel or Physical Uplink Shared Channel.
4. each described method in 3 according to claim 1 is characterized in that, described base station is specifically being treated to of terminal configuration parameter by the radio resource control layer signaling:
Described base station is respectively allocating power control Radio Network Temporary Identifier of terminal in the physical channel specific configuration information unit of described radio resource control layer signaling, and in identical specific configuration information unit configurating downlink control information form and power control index.
5. method according to claim 4 is characterized in that, after described base station was the terminal configuration parameter by described radio resource control layer signaling, described method further comprised:
Described terminal is obtained the described power control Radio Network Temporary Identifier in the described physical channel specific configuration information unit, described descending control information format and described power control index;
Described terminal is carried out blind check according to the described power control Radio Network Temporary Identifier that obtains to Physical Downlink Control Channel, and obtains the corresponding Physical Downlink Control Channel signaling that is used for power control;
Described terminal is obtained power control command corresponding to described terminal in the described Physical Downlink Control Channel signaling according to the described descending control information format that obtains and power control index corresponding to described terminal.
6. method according to claim 5 is characterized in that, comprises for the radio resource control information that carries described physical channel specific configuration information unit:
The Radio Resource control connection is set up message, wireless resource control connection reconfiguration message, radio resource control connection reestablishment message.
7. method according to claim 1 is characterized in that, described descending control information format comprise following one of at least: descending control information format 3, descending control information format 3A.
8. method according to claim 3 is characterized in that, described Physical Uplink Control Channel power control group and described Physical Uplink Shared Channel power control group under the described terminal are mutually independent.
9. a power contorl parameters transfer device is positioned at the base station, it is characterized in that, comprising:
Configuration module, being used for by the radio resource control layer signaling is the terminal configuration parameter, wherein, described parameter comprises at least: power control Radio Network Temporary Identifier, descending control information format and power control index, wherein, for having configured the identical descending control information format of terminal configuration of identical power control Radio Network Temporary Identifier;
Sending module is used for sending described radio resource control layer signaling to terminal, and carries described power control Radio Network Temporary Identifier, described descending control information format and power control index in described radio resource control layer signaling.
10. device according to claim 9 is characterized in that, described descending control information format comprise following one of at least: descending control information format 3, descending control information format 3A.
11. device according to claim 10 is characterized in that, Physical Uplink Control Channel power control group and Physical Uplink Shared Channel power control group are mutually independent.
12. device according to claim 11 is characterized in that, comprises for the radio resource control information that carries physical channel specific configuration information unit:
The Radio Resource control connection is set up message, wireless resource control connection reconfiguration message, radio resource control connection reestablishment message.
13. a terminal is used for according to claim 1 obtaining power contorl parameters to 8 each described power control parameter transfer methods, it is characterized in that, comprising:
The first acquisition module is used for obtaining the described power control Radio Network Temporary Identifier of physical channel specific configuration information unit, described descending control information format and described power control index;
The blind check module is used for according to the described power control Radio Network Temporary Identifier that described the first acquisition module obtains Physical Downlink Control Channel being carried out blind check, and obtains the corresponding Physical Downlink Control Channel signaling that is used for power control;
The second acquisition module, the described descending control information format and power corresponding to described terminal that are used for obtaining according to described the first acquisition module are controlled index, obtain power control command corresponding to described terminal in the described Physical Downlink Control Channel signaling.
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| CN103026773B (en) * | 2011-07-27 | 2016-03-02 | 华为技术有限公司 | The method and apparatus of transmission data |
| CN104125588B (en) * | 2014-08-13 | 2017-09-29 | 武汉邮电科学研究院 | A kind of method and device of LTE system uplink power control |
| US10798685B2 (en) * | 2015-05-27 | 2020-10-06 | Qualcomm Incorporated | Cyclic redundancy check for uplink control information on control and data channels |
| CN109952795B (en) * | 2016-08-02 | 2021-10-22 | 鸿颖创新有限公司 | Method for signaling RAN profile index and radio communication device thereof |
| CN108811059B (en) * | 2017-05-05 | 2021-08-31 | 华为技术有限公司 | Method and device for configuring parameters |
| CN109729576B (en) * | 2017-10-27 | 2022-01-18 | 中国电信股份有限公司 | Power control method, system and terminal |
| CN109963329B (en) * | 2017-12-25 | 2022-08-09 | 成都鼎桥通信技术有限公司 | Method and system for sending uplink power control command in LTE cell |
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| CN101136666A (en) * | 2006-08-28 | 2008-03-05 | 华为技术有限公司 | Method and apparatus for implementing transmission power control |
| CN101175271A (en) * | 2006-10-31 | 2008-05-07 | 华为技术有限公司 | Setting method and module for user's set group |
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